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Science > Chemistry > Flashcards

Chemistry Flashcards

To study chemistry

1
Q

What are the smallest indivisible particles?

A

Atoms

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2
Q

What is an element

A

A substance that has one type of atom

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3
Q

What are protons neutrons and electrons? State their charges

A

They are subatomic particles that make up an atom. Protons are positively charged, electrons are negatively charged and the neutrons have no charge.

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4
Q

Which sub atomic particle/s stays in the nucleous

A

Protons and neutrons

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5
Q

Which part of the periodic table tells us the number of electron shells? Which direction does it go?

A

Periods, which go across

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6
Q

Which part of the periodic table tells us how similar they are?

A

Groups, which go vertical.

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7
Q

What is the name of an element that doesn’t react with anything

A

Inert

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8
Q

What is the name for the combining and bonding power of an atom?

A

Valency

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9
Q

atomic mass =

A

Number of protons + number of neutrons

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10
Q

Atomic number –>

A

= number of protons
= number of electrons

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11
Q

What is a charged particle

A

An ion

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12
Q

A cation is

A

a positively charged particle

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13
Q

An anion is

A

anegatively charged particle

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14
Q

What is the number of electrons in the outermost shell of an electron

A

Valence electron

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15
Q

What is the name of two or more chemically combined atoms

A

a compound

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16
Q

What are chemically combined ions that have charges?

A

Ionic compounds

17
Q

What are chemically combined atoms that have only 1 atom?

A

Covalent compounds

18
Q

Which compound looks like a crystal ‘lattice’ structure

A

Ionic

19
Q

Which type of ion loses an electron

A

a cation

20
Q

Which type of ion gains an electron

A

an anion

21
Q

What is the transfer of electrons between metal and non metal?

A

Ionic bonding

22
Q

What is a polyatomic ion

A

A group of atoms that behave as one or many atoms. Poly means many.

23
Q

What are the steps involved for naming an ionic compound?

A
  1. Name the cation first (the metal)
  2. Name the anion second, then change its suffix to -ide.
24
Q

What type of bonding occurs when 2 atoms share electrons in order to have a full valence electron shell

A

Covalent bonding

25
Q

Which type of bonding works only between non-metals?

A

Covalent bonding

26
Q

How do you decide which element in a covalent bond comes first when naming it?

A

If the element is closer to the left, name it first. However, for elements in the same group, the one closest to the top comes first

27
Q

What are the steps to naming a covalent bond?

A
  1. Identify the 2 non-metals
  2. Name the first element
  3. change the suffix of the 2nd element to -ide
  4. Put the relevant suffix in front of the 2nd element
28
Q

What does the prefix ‘deca’ mean?

A

10

29
Q

What does the prefix ‘tetra’ mean?

A

4

Science (4 decks)

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